A cup has a mass of 0.0650 kg and a volume of 0.000250 m3, and is floating in fresh water. Pennies are put into the cup until the top of the cup is level with the water line. What is the mass of the pennies in the cup?

trig 15.3 cos

where’s the list ? the question is incomplete

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.